3157651445 has 16 divisors (see below), whose sum is σ = 4082626800. Its totient is φ = 2330678784.

The previous prime is 3157651433. The next prime is 3157651481. The reversal of 3157651445 is 5441567513.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 759884356 + 2397767089 = 27566^2 + 48967^2 .

It is a cyclic number.

It is not a de Polignac number, because 3157651445 - 2¹⁶ = 3157585909 is a prime.

It is a super-2 number, since 2×3157651445² = 19941525296221176050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138731 + ... + 159879.

It is an arithmetic number, because the mean of its divisors is an integer number (255164175).

Almost surely, 2^3157651445 is an apocalyptic number.

It is an amenable number.

3157651445 is a deficient number, since it is larger than the sum of its proper divisors (924975355).

3157651445 is a wasteful number, since it uses less digits than its factorization.

3157651445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23464.

The product of its digits is 252000, while the sum is 41.

The square root of 3157651445 is about 56192.9839481763. The cubic root of 3157651445 is about 1467.0831520087.

The spelling of 3157651445 in words is "three billion, one hundred fifty-seven million, six hundred fifty-one thousand, four hundred forty-five".